2 ; RUN: opt -mtriple=x86_64-unknown-linux-gnu -loop-reduce -S < %s
3 ; PR33077. Check the LSR Use formula to be inserted is already canonicalized and
4 ; will not trigger assertion.
6 target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
8 ; Function Attrs: uwtable
11 br label %not_zero48.us
13 not_zero48.us: ; preds = %not_zero48.us, %cHeapLvb.exit
14 %indvars.iv.us = phi i64 [ %indvars.iv.next.us.7, %not_zero48.us ], [ undef, %cHeapLvb.exit ]
15 %0 = phi i32 [ %13, %not_zero48.us ], [ undef, %cHeapLvb.exit ]
16 %indvars.iv.next.us = add nuw nsw i64 %indvars.iv.us, 1
18 %2 = getelementptr inbounds i32, ptr addrspace(1) undef, i64 %indvars.iv.next.us
19 %3 = load i32, ptr addrspace(1) %2, align 4
21 %5 = load i32, ptr addrspace(1) undef, align 4
22 %6 = sub i32 undef, %5
23 %factor.us.2 = shl i32 %6, 1
24 %7 = add i32 %factor.us.2, %1
25 %8 = load i32, ptr addrspace(1) undef, align 4
27 %factor.us.3 = shl i32 %9, 1
28 %10 = add i32 %factor.us.3, %4
29 %11 = load i32, ptr addrspace(1) undef, align 4
30 %12 = sub i32 %10, %11
31 %factor.us.4 = shl i32 %12, 1
33 %indvars.iv.next.us.7 = add nsw i64 %indvars.iv.us, 8
34 br label %not_zero48.us